Input device foot

Abstract

The device provides a way to avoid forcing the user into unnatural postures, even when input is made via the feet. [Solution] Use the foot itself as an input device.

Description

[[Technical Field]]

[0001] The present invention relates to a method of using a foot itself as an input device. [[Background Art]]

[0002] Conventional input operations using a foot operate an input device with the foot. [[Summary of the Invention]] [[Problem to be Solved by the Invention]]

[0003] Since a fixed posture must be maintained when operating the input device, there is a disadvantage that fatigue occurs when the operation lasts for a long time. [[Means for Solving the Problem]]

[0004] A foot itself is used as an input device. [[Effect of the Invention]]

[0005] The feet can be placed in a free position, and a natural posture can be adopted. [[Mode for Carrying Out the Invention]] [[Example]]

[0006] Specific examples of the present invention will be described in detail below.

[0007] A calibrated binocular parallel stereo infrared camera connected to a computer is attached to the back side of a desk top plate.

[0008] Spherical infrared reflective markers are attached to both toes and both ankles.

[0009] Link foot movements to mouse operations. Left click: Lift the left toes. Double click: Lift the left toes twice. Right click: Lift the right toes. Cursor movement follows the movement of the right heel while both feet and heels are on the ground. To disable cursor movement recognition, lift only the right heel. Drag: Lift the left toes while moving the right heel. To move the wheel upwards, lift the right toes and left heel. To move the wheel downwards, lift the left toes and right heel.

[0010] The marker's image is captured by a computer, image processing is performed, the image is converted into data, and the marker's 3D position coordinates are calculated.

[0009] The mouse movement is calculated by subtracting the previous coordinate value from the current coordinate value of the marker. This movement amount is sent to the mouse movement function in the program for mouse operation. Each click sets a threshold for the vertical coordinate value of the toe marker, and when the threshold is exceeded, the respective functions are called. The movement of the ankle marker's north-south and east-west coordinates is used as the cursor movement amount, and the cursor movement function is called.

Claims

1. This method uses the feet as input devices, photographs them with a camera connected to a computer, attaches devices to several points on the feet so that the movement of the foot's coordinates can be measured by the camera, acquires the 3D coordinates of these devices in real time, and uses the foot's movement as input.

2. This method uses the feet as input devices, acquiring 3D coordinates in real time using a measurement device attached to the feet connected to a computer, and using foot movements as input controls.

3. This method uses the feet as input devices, captures images with a camera, and uses AI technology to measure and acquire the 3D coordinates of the joint points of the feet in real time, and uses those movements as input controls.